package com.itheima.edu.info.manager.controller;

import com.itheima.edu.info.manager.domain.Student;
import com.itheima.edu.info.manager.service.StudentService;

import java.util.ArrayList;
import java.util.Scanner;

public class StudentController {
    StudentService studentService = new StudentService();
    Scanner sc = new Scanner(System.in);
    public void start() {

        boolean flag = true;
        while (flag) {
            // 主菜单搭建
            System.out.println("--------欢迎来到 <学生> 管理系统--------");
            System.out.println("请输入您的选择: 1.添加学生  2.删除学生  3.修改学生  4.查看学生  5.退出");
            String choice = sc.next();
            switch (choice) {
                case "1":
                    //System.out.println("添加学生");
                    addStudent();
                    break;
                case "2":
                    //System.out.println("删除学生");
                    delStudent();
                    break;
                case "3":
                    System.out.println("修改学生");
                    break;
                case "4":
                    //System.out.println("查看学生");
                    findAllStudent();
                    break;
                case "5":
                    System.out.println("退出");
                    flag = false;
                    break;
                default:
                    System.out.println("您的输入有误");
            }
        }
    }

    public void delStudent() {
        String sid = sc.next();
        studentService.delStudent(sid);
    }

    public void findAllStudent() {
       ArrayList<Student> list = studentService.findAllStudent();
        System.out.println("学号\t姓名\t年龄\t\t生日");
        for (int i = 0; i < list.size(); i++) {
            Student stu = list.get(i);
            System.out.println(stu.getId()+"\t"+stu.getName()+"\t"+stu.getAge()+"\t\t"+stu.getBirthday());
        }
    }

    public void addStudent() {
        String sid;
        while (true){
            System.out.println("学号");
            sid = sc.next();
            boolean flag = studentService.isExists(sid);
            if (flag){
                System.out.println("学号已存在，请重新输入");
            }else {
                break;
            }
        }

        System.out.println("姓名");
        String name = sc.next();
        System.out.println("年龄");
        String age = sc.next();
        System.out.println("生日");
        String birthday = sc.next();

        Student stu = new Student();
        stu.setId(sid);
        stu.setName(name);
        stu.setAge(age);
        stu.setBirthday(birthday);

        boolean result = studentService.addStudent(stu);

        if (result){
            System.out.println("添加成功");
        }else {
            System.out.println("添加失败");
        }
    }
}